You won't believe what gets Liam Neeson shaking in his boots!

Los Angeles - Liam Neeson is scared of heights.

The 62-year-old actor admits he suffers from acrophobia and can't even manage to stand on a chair to fix a bulb in a lamp because of the extreme fear, but he insists he's not embarrassed by it because everyone has their own weaknesses.

Speaking to PEOPLE.com, he said: "I'm a wimp about heights. I just am.

"We're all just human, aren't we? Somebody might freak out over a snake or a spider. I don't - I pick spiders up and put them outside and stuff. But put me on a chair to fix a lamp or something and then, boom."

Meanwhile, the hunky star - who has sons Micheál, 19, and Daniel, 18, with his late wife Natasha Richardson - has become a fixture in adrenaline-fuelled blockbusters like Taken, and admits he's not ready to retire just yet and is trying to make the most of the exciting roles.

He explained: "It's like being a kid in a toyshop. They're offering them ... I try and do the good ones."

"It's not going to last forever, so I'm hanging out while the sun's shining."